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2.1 Installing an Interface Card
An E1 interface card provides interfaces for E1 lines; a 4E1 interface card provides interfaces
for 4E1 lines; a PSTN-E1 interface card provides interfaces for PSTN and E1 lines.
2.1.1 Inserting an Interface Card
To hold video conferences over an E1, a 4E1, or a PSTN network, an E1, a 4E1, or a PSTN-E1
interface card must be inserted into the relevant interface slot at the back of the terminal.
Context
The appearance of the interface cards shown in the following figures is for your reference only.
CAUTION
For safety reasons, insert the interface card before the terminal is powered on or after the terminal
is powered off.
show an E1/4E1 interface card with four interfaces and a PSTN-E1
interface card respectively.
Figure 2-1
Interface card
1 Captive screw
2 E1/4E1 interface (RJ45) 3 Golden finger (electrical
contacts)
HUAWEI 9000 HD Video Terminal
Administrator Guide
2 Network
Issue 09 (2012-09-03)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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